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Montrose

$217+ Cheap flights from Illinois to Montrose (MTJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MTJ
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to Montrose

Keep the following information in mind while searching for Illinois to Montrose flight deals. Data was last updated September 16, 2025.

Round-trip from

$217
(Delta)

Popular in

February

Cheapest in

August

Average price

$384

Good round-trip deal

$364 or less
From Illinois to Montrose County
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Montrose County.
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Find flight deals from Illinois to Montrose

Cheapest flights from Illinois to Montrose
Explore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:22 pmORD - MTJ
1 stop5h 41mAmerican Airlines
Sat 11/17:30 amMTJ - ORD
1 stop6h 36mAmerican Airlines
Deal found 9/14$269
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:40 amSTL - MTJ
2 stops8h 20mSouthwest
Mon 11/312:05 pmMTJ - STL
2 stops9h 05mSouthwest
Deal found 9/14$271
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:00 amSTL - MTJ
1 stop6h 29mUnited Airlines
Sun 11/21:30 pmMTJ - STL
1 stop7h 24mUnited Airlines
Deal found 9/14$274
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:35 amSTL - MTJ
1 stop8h 25mSouthwest
Tue 10/214:50 pmMTJ - STL
2 stops17h 10mSouthwest
Deal found 9/14$320
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:50 pmSTL - MTJ
1 stop4h 29mUnited Airlines
Mon 11/31:30 pmMTJ - STL
1 stop7h 24mUnited Airlines
Deal found 9/14$344
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:40 pmORD - MTJ
1 stop6h 30mUnited Airlines
Sat 12/2012:50 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Deal found 9/14$355
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/224:50 pmSTL - MTJ
1 stop4h 29mUnited Airlines
Mon 11/31:30 pmMTJ - STL
1 stop7h 24mUnited Airlines
Deal found 9/16$367
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:21 pmORD - MTJ
2 stops23h 08mUnited Airlines
Sat 11/17:15 amMTJ - ORD
1 stop6h 33mUnited Airlines
Deal found 9/15$396
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amORD - MTJ
1 stop4h 40mSouthwest
Sat 10/1811:25 amMTJ - ORD
2 stops9h 35mSouthwest
Deal found 9/15$404
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:53 amORD - MTJ
1 stop4h 36mUnited Airlines
Sat 10/47:30 amMTJ - ORD
1 stop6h 25mUnited Airlines
Deal found 9/15$409
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:30 amMLI - MTJ
2 stops8h 59mUnited Airlines
Sat 10/47:30 amMTJ - MLI
2 stops8h 24mUnited Airlines
Deal found 9/15$424
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:00 amORD - MTJ
1 stop8h 32mAmerican Airlines
Fri 10/32:38 pmMTJ - ORD
1 stop8h 21mAmerican Airlines
Deal found 9/14$431

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Montrose that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Illinois to Montrose that are best for you.

Fly from

Illinois

Fly to

Montrose

Route

Depart

Return

Price

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Mon 1/26

7:10 am-1:19 pm

1 stop7h 09m

Montrose County

Fri 1/30

2:17 pm-9:14 pm

1 stop5h 57m

$217

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sun 1/25

5:50 am-1:19 pm

1 stop8h 29m

Montrose County

Thu 1/29

2:17 pm-11:54 pm

1 stop8h 37m

$217

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Tue 3/10

5:50 am-1:19 pm

1 stop8h 29m

Montrose County

Wed 3/11

2:17 pm-9:14 pm

1 stop5h 57m

$217

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sun 1/25

6:00 am-1:19 pm

1 stop8h 19m

Montrose County

Wed 1/28

2:17 pm-11:40 pm

1 stop8h 23m

$249

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 1/26

6:00 am-1:19 pm

1 stop8h 19m

Montrose County

Wed 1/28

2:17 pm-11:40 pm

1 stop8h 23m

$249

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sun 1/25

7:15 am-11:40 am

1 stop5h 25m

Montrose County

Wed 1/28

12:40 pm-8:35 pm

2 stops6h 55m

$254

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 1/26

6:20 am-12:00 pm

1 stop6h 40m

Montrose County

Wed 1/28

12:40 pm-8:35 pm

2 stops6h 55m

$254

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 1/26

11:20 am-8:17 pm

2 stops9h 57m

Montrose County

Wed 1/28

1:32 pm-10:58 pm

2 stops8h 26m

$259

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Tue 10/28

1:22 pm-6:03 pm

1 stop5h 41m

Montrose County

Sat 11/1

7:30 am-1:46 pm

1 stop5h 16m

$269

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Thu 10/23

5:40 am-1:00 pm

2 stops8h 20m

Montrose County

Mon 11/3

12:05 pm-10:10 pm

2 stops9h 05m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 25 results
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Best time to book a flight from Illinois to Montrose

Have a flexible travel schedule? Discover the best time to fly to Montrose from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Montrose

What is the cheapest month to book a flight from Illinois to Montrose?

Currently, October is the cheapest month in which you can book a flight from Illinois to Montrose (average of $371). Flying from Illinois to Montrose in March is currently the most expensive (average of $539). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MTJ?

Find hourly flight availability from Illinois to Montrose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Illinois to Montrose, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Montrose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Montrose from Illinois?

    Montrose County (MTJ) is the airport you will fly into if you book a flight from Illinois to Montrose. It is only a 2.3 mi journey from Montrose County (MTJ) to Montrose’s city center.

  • How long is the flight from Illinois to Montrose?

    There are many flights that can get you from Illinois to Montrose in 5h 25m. Fly via Delta, Southwest, or United Airlines to get the fastest option. Airlines will cover a distance of 944 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Montrose one-way?

    The cheapest airlines for a one-way flight from Illinois to Montrose are Southwest ($220), United Airlines ($286), and American Airlines ($421).

  • What are the most popular routes from Illinois to Montrose?

    When deciding which route to take from Illinois to Montrose consider Chicago O'Hare Intl - Montrose County, Lambert-St Louis - Montrose County or Greater Peoria - Montrose County as they are the most popular.

  • What are the cheapest flights from Illinois to Montrose?

    While on average a flight from Illinois to Montrose is generally $501, our data shows the cheapest flight currently is $309. When looking at the most popular route, (Chicago O'Hare Intl - Montrose County), you can expect to pay $217 for that flight.

  • Can I find deals for flights from Illinois to Montrose that include hotel bookings?

    Yes. In addition to deals on Illinois to Montrose flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Montrose?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Montrose.

  • Can I find deals for business class flights from Illinois to Montrose?

    Yes. Cheapflights offers flight deals from Illinois to Montrose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Montrose?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Montrose (average of $371). Flying from Illinois to Montrose in March is currently the most expensive (average of $539). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Illinois to Montrose

Discover the top 3 airlines that operate flights from Illinois to Montrose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$398FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$318Average$403FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$348Average$660FlexibilityNo cancel feeOn-time69%

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